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Mathematics, 07.06.2020 03:00 archiecom55

Using a 0.05 level of significance, is there a difference in the variability of salaries between black belts and green belts? Based on the result of (a), which t test defined in Section 10.1 is appropriate for comparing mean salaries? Using a 0.05 level of significance, is the mean salary of black belts greater than the mean salary of green belts?

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